package lch.service.impl;

import com.alibaba.dubbo.config.annotation.Service;
import lch.constant.MessageConstant;
import lch.dao.MemberDao;
import lch.dao.OrderDao;
import lch.dao.OrderSettingDao;
import lch.entity.Result;
import lch.pojo.Member;
import lch.pojo.Order;
import lch.pojo.OrderSetting;
import lch.service.OrderService;
import lch.utils.DateUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

import java.util.Date;
import java.util.List;
import java.util.Map;

/**
 * @author lch
 * @date 2019-12-24 16:38
 */
@Service(interfaceClass = OrderService.class)
@Transactional
public class OrderServiceImpl implements OrderService {

    @Autowired
    private OrderSettingDao orderSettingDao;

    @Autowired
    private OrderDao orderDao;

    @Autowired
    private MemberDao memberDao;

    @Override
    public Result order(Map map) throws Exception {
//        1、检查用户所选择的预约日期是否已经提前进行了预约设置，如果没有设置则无法进行预约
        String orderDate = (String) map.get("orderDate");
        Date date = DateUtils.parseString2Date(orderDate);
        OrderSetting orderSetting = orderSettingDao.findOrderSettingByDate(date);
        if (orderSetting == null) {
            return new Result(false, MessageConstant.SELECTED_DATE_CANNOT_ORDER);
        }
//        2、检查用户所选择的预约日期是否已经约满，如果已经约满则无法预约
        int number = orderSetting.getNumber();//可预约人数
        int reservations = orderSetting.getReservations();//已预约人数
        if (number <= reservations) {
            return new Result(false, MessageConstant.ORDER_FULL);
        }
//        3、检查用户是否重复预约（同一个用户在同一天预约了同一个套餐），如果是重复预约则无法完成再次预约
        //根据手机号来查用户是否是会员
        String phoneNumber = (String) map.get("telephone");
        Member member = memberDao.findByTelephone(phoneNumber);
        /////////////////////////////////////////////////////////////////////////////////
        if (member != null) {
            //根据预约日期，会员号，套餐ID去查询预约订单
            Order order = new Order();
            order.setOrderDate(date);
            order.setMemberId(member.getId());
            order.setSetmealId(Integer.parseInt((String) map.get("setmealId")) );
            List<Order> orderList = orderDao.findByCondition(order);
            //查询到有预约订单，说明已预约过
            if (orderList != null && orderList.size() > 0) {
                return new Result(false, MessageConstant.HAS_ORDERED);
            }
        } else {
//        4、检查当前用户是否为会员，如果是会员则直接完成预约，如果不是会员则自动完成注册并进行预约
            //新会员
             member = new Member();
            member.setName((String) map.get("name"));
            member.setPhoneNumber(phoneNumber);//手机号
            member.setIdCard((String) map.get("idCard"));//身份证
            member.setSex((String) map.get("sex"));//性别
            member.setRegTime(new Date());//注册日期为当天
            memberDao.add(member);
        }
//        5、预约成功，更新当日的已预约人数
        orderSetting.setReservations(reservations + 1);
        orderSettingDao.editNumberByOrderDate(orderSetting);
        Order order = new Order(member.getId(), date, (String) map.get("orderType"), Order.ORDERSTATUS_NO, Integer.parseInt((String) map.get("setmealId")));
        orderDao.add(order);
        return new Result(true, MessageConstant.ORDER_SUCCESS, order.getId());
    }

    @Override
    public Map findById(Integer id) throws Exception {
        Map map = orderDao.findById4Detail(id);
        if(map!=null){
            Date orderDate = (Date) map.get("orderDate");
            String date = DateUtils.parseDate2String(orderDate);
            map.put("orderDate",date);
        }
        return map;
    }
}
